@misc{indiciaeb26b9f32cbb3,
  title = {Physiological time-series analysis: what does regularity quantify?},
  author = {Pincus, S. M. and Goldberger, A. L.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20050000364},
  note = {Source identifier: 20050000364}
}